194680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 455040

約数和(自身を除く): 260360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 620, 628, 785, 1240, 1256, 1570, 3140, 4867, 6280, 9734, 19468, 24335, 38936, 48670, 97340, 194680]

約数ペア:

[(1, 194680), (2, 97340), (4, 48670), (5, 38936), (8, 24335), (10, 19468), (20, 9734), (31, 6280), (40, 4867), (62, 3140), (124, 1570), (155, 1256), (157, 1240), (248, 785), (310, 628), (314, 620)]